3. AC drive function for small solar pump system inverter. When is no sunshine,such as at night , solar power inverter can connect to AC city power to work by manually if AC power is available. but (this function is optional). 4. Adjustable speed range of pump based on the actual situation of the system.

7. Patented low voltage boost device for small pump to reduce solar panel to save money.8.Solar power inverters can be built-in GPRS receiving module(this function is also optional).You can operate this inverter remotely through your PC or mobile phone with our provided website, user name and password.